土壤密度 Soil density (kg/cm3) | 1 482 | 犁体密度 Plough density (kg/cm3) | 7 865 |
土壤剪切模量 Soil shear modulus (Pa) | 1×106 | 犁体剪切模量 Plough shear modulus (Pa) | 7.9×1010 |
土壤泊松比 Poisson's ratio for soil | 0.37 | 犁体泊松比 Poisson's ratio for plough | 0.3 |
土壤与土壤间碰撞恢复系数 Coefficient of recovery for soil-soil collisions | 0.57 | 土壤与犁体间碰撞恢复系数 Coefficient of recovery for soil-plough collisions | 0.51 |
土壤与土壤间动摩擦系数 Coefficient of soil-soil dynamic friction | 0.23 | 土壤与犁体间动摩擦系数 Coefficient of soil-plough dynamic friction | 0.08 |
土壤与土壤间静摩擦系数 Coefficient of static soil-soil friction | 0.65 | 土壤与犁体间静摩擦系数 Coefficient of static soil- plough friction | 0.56 |
土壤与土壤间JKR表面能 Soil-to-soil JKR surface energy | 4.49 | 土壤与犁体间JKR表面能 Soil-to-plough JKR surface energy | 4.12 |